Alfa Laval pump handbook (руководство к эксплуатации насосов фирмы Альфа Лаваль)

2001. - 253 p. This pump handbook has been produced to support pump users at all levels, providing an invaluable reference tool. The handbook includes all the necessary information for the correct selection and successful application of the Alfa Laval ranges of Centrifugal, Liquid Ring and Rotary Lobe Pumps ============================================================ Это руководство к насосам было разработано для поддержки пользователей всех уровней. Это руководство включает всю необходимую информацию для правильного выбора и успешного применения насосов фирмы Альфа Лаваль в центрифугах, жидких адсорберах и мешалках Книга для расчета насосов от известной фирмы Alfa Laval Качество 5 из 5/ Contents Introduction Introduction of the Pump Handbook What is a Pump? Terminology and Theory Explanation of the terminology and theory of pumping applications, including rheology, flow characteristics, pressure and NPSH Product/Fluid Data Rheology Viscosity Density Specific Weight Specific Gravity Temperature Flow Characteristics Vapour Pressure Fluids Containing Solids Performance Data Capacity (Flow Rate) Pressure Cavitation Net Positive Suction Head (NPSH) Pressure ‘Shocks’ (Water Hammer) Pump Selection Overview of the pump ranges currently available from Alfa Laval and which particular pumps to apply within Various application areas General Applications Guide Pumps for Sanitary Applications PumpCAS Selection and Configuration Tool Pump Description Description of Alfa Laval pump ranges including design, principle of operation and pump model types Centrifugal Pumps General Principle of Operation Design Pump Range Liquid Ring Pumps General Principle of Operation Design Pump Range Rotary Lobe Pumps General Principle of Operation Pump Range Pump Materials of Construction Description of the materials, both metallic and elastomeric, that are used in the construction of Alfa Laval pump ranges Main Components Steel Surfaces Elastomers Pump Sealing Explanation of pump sealing principles with illustrations of the different sealing arrangements used on Alfa Laval pump ranges. A general seal selection guide is Included, together with various operating parameters Mechanical Seals - General Mechanical Seal Types in Alfa Laval Pump Ranges Other Sealing Options (Rotary Lobe Pumps only) Pump Sizing How to size an Alfa Laval pump from product/fluid and performance data given, supported by relevant calculations and worked examples with a simple step by step approach General Information Required Power Hydraulic Power Required Power Torque Efficiency Centrifugal and Liquid Ring Pumps Flow Curve Flow Control Alternative Pump Installations Worked Examples of Centrifugal Pump Sizing (Metric Units) Example Example Worked Examples of Centrifugal Pump Sizing (US Units) Example Example Rotary Lobe Pumps Slip Initial Suction Line Sizing Performance Curve Pumps fitted with Bi-lobe Rotors (Stainless Steel) Pumps fitted with Bi-lobe Rotors (Non Galling Alloy) Pumps fitted with Tri-lobe Rubber Covered Rotors Pumps with Electropolished Surface Finish Guidelines for Solids Handling Guidelines for Pumping Shear Sensitive Media Worked Examples of Rotary Lobe Pump Sizing (Metric Units) Worked Examples of Rotary Lobe Pump Sizing (US Units) Pump Specifications Options Description of the various specification options available for the Alfa Laval pump ranges, such as port connections, heating/cooling jackets, pressure relief valves and other ancillaries Centrifugal and Liquid Ring Pumps Port Connections Heating/Cooling Jackets Pump Casing with Drain ncreased Impeller Gap Pump Inlet Inducer Rotary Lobe Pumps Rotor Form Clearances Port Connections Rectangular Inlets Heating/Cooling Jackets and Saddles Pump Overload Protection Ancillaries Motors Description of electric motors, including information on motor protection, methods of starting, motors for hazardous environments and speed control Output Power Rated Speed Voltage Cooling Insulation and Thermal Rating Protection Methods of Starting Motors for Hazardous Environments Energy Efficient Motors Speed Control Changing Motor Nameplates Centrifugal and Liquid Ring Pumps only Cleaning Guidelines Advises cleaning guidelines for use in processes utilising CIP (Clean In Place) systems. Interpretations of cleanliness are given and explanations of the cleaning cycle Compliance with International Standards and Guidelines Description of the international standards and guidelines applicable to Alfa Laval pump ranges Installation Guide Advises guidelines relating to pump installation, system design and pipework layout General System Design Pipework Weight Electrical Supply Flow Direction Centrifugal Pumps Rotary Lobe Pumps Baseplates Foundation (Rotary Lobe Pumps only) Coupling Alignment (Rotary Lobe Pumps only) Special Considerations for Liquid Ring Pumps Pipework Troubleshooting Advises possible causes and solutions to most common problems found in pump installation and operation General Common Problems Loss of Flow Loss of Suction Low Discharge Pressure Excessive Noise or Vibration Excessive Power Rapid Pump Wear Seal Leakage Problem Solving Table Technical Data Summary of the nomenclature and formulas used in this handbook. Various conversion tables and charts are also shown Nomenclature Formulas Conversion Tables Length olume olumetric Capacity Mass Capacity Pressure/Head Force Torque Power Density Viscosity Conversion Table Temperature Conversion Table Water Vapour Pressure Table Pressure Drop Curve for 100 m ISO/DIN Tube Velocity (m/s) in ISO and DIN Tubes at various Capacities Equivalent Tube Length Table ISO Tube Metric ISO Tube Feet DIN Tube Metric DIN Tube Feet Moody Diagram Initial Suction Line Sizing Elastomer Compatibility Guide Changing Motor Name Plates Glossary of Terms Explains the various terms found in this handbook 2001. - 253 p.This pump handbook has been produced to support pump users at all levels, providing an invaluable reference tool. The handbook includes all the necessary information for the correct selection and successful application of the Alfa Laval ranges of Centrifugal, Liquid Ring and Rotary Lobe Pumps============================================================Это руководство к насосам было разработано для поддержки пользователей всех уровней. Это руководство включает всю необходимую информацию для правильного выбора и успешного применения насосов фирмы Альфа Лаваль в центрифугах, жидких адсорберах и мешалкахКнига для расчета насосов от известной фирмы Alfa LavalКачество 5 из 5/ **Contents****Introduction**__Introduction of the Pump Handbook__ What is a Pump? **Terminology and Theory**__Explanation of the terminology and theory of pumping applications, including rheology,flow characteristics, pressure and NPSH__ Product/Fluid DataRheologyViscosityDensitySpecific WeightSpecific GravityTemperatureFlow CharacteristicsVapour PressureFluids Containing SolidsPerformance DataCapacity (Flow Rate)PressureCavitationNet Positive Suction Head (NPSH)Pressure ‘Shocks’ (Water Hammer) **Pump Selection**__Overview of the pump ranges currently available from Alfa Laval and which particular pumps to apply within Various application areas__ General Applications GuidePumps for Sanitary ApplicationsPumpCAS Selection and Configuration Tool **Pump Description**__Description of Alfa Laval pump ranges including design, principle of operation and pump model types__ Centrifugal PumpsGeneralPrinciple of OperationDesignPump RangeLiquid Ring PumpsGeneralPrinciple of OperationDesignPump RangeRotary Lobe PumpsGeneralPrinciple of OperationPump Range **Pump Materials of Construction**__Description of the materials, both metallic and elastomeric, that are used in the construction ofAlfa Laval pump ranges__ Main ComponentsSteel SurfacesElastomers **Pump Sealing**__Explanation of pump sealing principles with illustrations of the different sealing arrangements used on Alfa Laval pump ranges. A general seal selection guide is Included, together with various operating parameters__ Mechanical Seals - GeneralMechanical Seal Types in Alfa Laval Pump RangesOther Sealing Options (Rotary Lobe Pumps only) **Pump Sizing**__How to size an Alfa Laval pump from product/fluid and performance data given, supported by relevant calculations and worked examples with a simple step by step approach__ General Information RequiredPowerHydraulic PowerRequired PowerTorqueEfficiencyCentrifugal and Liquid Ring PumpsFlow CurveFlow ControlAlternative Pump InstallationsWorked Examples of Centrifugal Pump Sizing (Metric Units)ExampleExampleWorked Examples of Centrifugal Pump Sizing (US Units)ExampleExampleRotary Lobe PumpsSlipInitial Suction Line SizingPerformance CurvePumps fitted with Bi-lobe Rotors (Stainless Steel)Pumps fitted with Bi-lobe Rotors (Non Galling Alloy)Pumps fitted with Tri-lobe Rubber Covered RotorsPumps with Electropolished Surface FinishGuidelines for Solids HandlingGuidelines for Pumping Shear Sensitive MediaWorked Examples of Rotary Lobe Pump Sizing (Metric Units)Worked Examples of Rotary Lobe Pump Sizing (US Units) **Pump Specifications Options**__Description of the various specification options available for the Alfa Laval pump ranges, such as port connections, heating/cooling jackets, pressure relief valves and other ancillaries__ Centrifugal and Liquid Ring PumpsPort ConnectionsHeating/Cooling JacketsPump Casing with Drainncreased Impeller GapPump Inlet InducerRotary Lobe PumpsRotor FormClearancesPort ConnectionsRectangular InletsHeating/Cooling Jackets and SaddlesPump Overload ProtectionAncillaries **Motors**__Description of electric motors, including information on motor protection, methods of starting, motors for hazardous environments and speed control__ Output PowerRated SpeedVoltageCoolingInsulation and Thermal RatingProtectionMethods of StartingMotors for Hazardous EnvironmentsEnergy Efficient MotorsSpeed ControlChanging Motor NameplatesCentrifugal and Liquid Ring Pumps only **Cleaning Guidelines**__Advises cleaning guidelines for use in processes utilising CIP (Clean In Place) systems. Interpretations of cleanliness are given and explanations of the cleaning cycle__**Compliance with International**__Standards and Guidelines Description of the international standards and guidelinesapplicable to Alfa Laval pump ranges__**Installation Guide**__Advises guidelines relating to pump installation, system design and pipework layout__ GeneralSystem DesignPipeworkWeightElectrical SupplyFlow DirectionCentrifugal PumpsRotary Lobe PumpsBaseplates Foundation (Rotary Lobe Pumps only)Coupling Alignment (Rotary Lobe Pumps only)Special Considerations for Liquid Ring PumpsPipework**Troubleshooting**__Advises possible causes and solutions to most common problems found in pump installation and operation__GeneralCommon ProblemsLoss of FlowLoss of SuctionLow Discharge PressureExcessive Noise or VibrationExcessive PowerRapid Pump WearSeal LeakageProblem Solving Table **Technical Data**__Summary of the nomenclature and formulas used in this handbook. Various conversion tables and charts are also shown__ NomenclatureFormulasConversion TablesLengtholumeolumetric CapacityMass CapacityPressure/HeadForceTorquePowerDensityViscosity Conversion TableTemperature Conversion TableWater Vapour Pressure TablePressure Drop Curve for 100 m ISO/DIN TubeVelocity (m/s) in ISO and DIN Tubes at various CapacitiesEquivalent Tube Length TableISO Tube MetricISO Tube FeetDIN Tube MetricDIN Tube FeetMoody DiagramInitial Suction Line SizingElastomer Compatibility GuideChanging Motor Name Plates **Glossary of Terms**__Explains the various terms found in this handbook__